Force

What is the weight of a 10 kg mass on Earth? (g = 9.8 m/s^2)

An object is thrown upwards. At the highest point, its velocity is:

If the mass of the Earth is M and its radius is R, the acceleration due to gravity g is:

A piece of iron sinks in water but a huge ship made of iron floats. This is because:

Calculate the pressure exerted at the bottom of a water tank of depth 10m. (density of water = 1000 kg/m^3, g = 10 m/s^2)

Two planets have the same mass, but the radius of planet A is twice that of planet B. The ratio of g_A to g_B is:

A body feels weightless in a satellite orbiting the Earth because:

If the Earth's radius shrinks by 1% while its mass remains constant, the value of 'g' on its surface would:

In a hydraulic machine, the area of the smaller piston is 0.01 m^2 and the larger piston is 1 m^2. If 10 N force is applied to the small piston, the force on the large piston is:

The weight of an object on the surface of Earth is 98 N. What is its mass? (g = 9.8 m/s^2)

What is the effect on upthrust if the density of the liquid increases?

A stone is dropped from a height. After 2 seconds, its velocity will be: (g = 9.8 m/s^2)

Which law is used to explain the recoil of a gun?

Calculate the force of attraction between two bodies of mass 1 kg each separated by 1 meter distance.

If a body floats in a liquid, then:

Relative density has which of the following units?

When a bus starts suddenly, the passengers tend to fall backwards. This is due to:

The gravitational force between two masses is independent of:

If the mass of a planet is 4 times Earth's mass and its radius is 2 times Earth's radius, what is 'g' on that planet?

A body of volume 0.1 m^3 is fully immersed in water. Calculate the upthrust. (density of water = 1000 kg/m^3, g = 10 m/s^2)